221023311230 has 16 divisors (see below), whose sum is σ = 398232402480. Its totient is φ = 88322559552.

The previous prime is 221023311227. The next prime is 221023311253. The reversal of 221023311230 is 32113320122.

221023311230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221023311230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10834919 + ... + 10855298.

It is an arithmetic number, because the mean of its divisors is an integer number (24889525155).

Almost surely, 2^221023311230 is an apocalyptic number.

221023311230 is a deficient number, since it is larger than the sum of its proper divisors (177209091250).

221023311230 is a wasteful number, since it uses less digits than its factorization.

221023311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691243.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221023311230 its reverse (32113320122), we get a palindrome (253136631352).

The spelling of 221023311230 in words is "two hundred twenty-one billion, twenty-three million, three hundred eleven thousand, two hundred thirty".